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atheros[uart]: pass only physical I/O mem address to 8250 driver 

Pass only physical address to 8250 serial port driver and set flag to
remap I/O memory inside the driver. Also fix AR5312 UART base address
definition, which seems specified already mapped.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>

SVN-Revision: 41700
lede-17.01
Felix Fietkau 2014-07-17 16:36:52 +00:00
parent e744878636
commit 04f3012fba
1 changed files with 5 additions and 6 deletions
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11
target/linux/atheros/patches-3.10/100-board.patch
View File

@ -1384,8 +1384,8 @@
+#define AR531X_SDRAMCTL 0x18300000
+#define AR531X_FLASHCTL 0x18400000
+#define AR531X_APBBASE 0x1c000000
+#define AR531X_UART0 0x1c000000 /* UART MMR */
+#define AR531X_FLASH 0x1e000000
+#define AR531X_UART0 0xbc000000 /* UART MMR */
+
+/*
+ * AR531X_NUM_ENET_MAC defines the number of ethernet MACs that
@ -2126,7 +2126,7 @@
+ ar231x_write_reg(AR531X_WD_CTRL, AR531X_WD_CTRL_IGNORE_EXPIRATION);
+
+ _machine_restart = ar5312_restart;
+ ar231x_serial_setup(KSEG1ADDR(AR531X_UART0), AR531X_MISC_IRQ_UART0,
+ ar231x_serial_setup(AR531X_UART0, AR531X_MISC_IRQ_UART0,
+ ar5312_sys_frequency());
+}
+
@ -2686,7 +2686,7 @@
+ ar231x_write_reg(AR2315_WDC, AR2315_WDC_IGNORE_EXPIRATION);
+
+ _machine_restart = ar2315_restart;
+ ar231x_serial_setup(KSEG1ADDR(AR2315_UART0), AR2315_MISC_IRQ_UART0,
+ ar231x_serial_setup(AR2315_UART0, AR2315_MISC_IRQ_UART0,
+ ar2315_apb_frequency());
+}
--- /dev/null
@ -2859,7 +2859,7 @@
+#endif
--- /dev/null
+++ b/arch/mips/ar231x/devices.c
@@ -0,0 +1,181 @@
@@ -0,0 +1,180 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/serial.h>
@ -3006,13 +3006,12 @@
+
+ memset(&s, 0, sizeof(s));
+
+ s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
+ s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
+ s.iotype = UPIO_MEM32;
+ s.irq = irq;
+ s.regshift = 2;
+ s.mapbase = mapbase;
+ s.uartclk = uartclk;
+ s.membase = (void __iomem *)s.mapbase;
+
+ early_serial_setup(&s);
+}